Condensed Consolidated Statements of Changes in Equity - USD ($) $ in Millions	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings (Accumulated Deficit) [Member]	Accumulated Other Comprehensive Loss [Member]	Common Stock Held In Treasury [Member]	Total
Balance at beginning of period at Dec. 31, 2020	$ 1	$ 46	$ (75)	$ (33)
Net income			45			$ 45
Exercise of stock options		2
Issuance of common stock		1
Taxes paid related to net share settlement of equity awards		(4)
Stock-based employee compensation		13
Repurchase of common stock
Other comprehensive income (loss), net of tax				7		7
Balance at end of period at Jun. 30, 2021	1	57	(30)	(26)		3
Balance at beginning of period at Mar. 31, 2021	1	49	(70)	(26)
Net income			40			40
Issuance of common stock		1
Stock-based employee compensation		8
Repurchase of common stock
Balance at end of period at Jun. 30, 2021	1	57	(30)	(26)		3
Balance at beginning of period at Dec. 31, 2021	1	70	53	(18)	(103)	2
Net income			35			35
Issuance of common stock		1
Taxes paid related to net share settlement of equity awards		(3)
Stock-based employee compensation		12
Repurchase of common stock					(59)	(59)
Other comprehensive income (loss), net of tax				17		17
Balance at end of period at Jun. 30, 2022	1	80	88	(1)	(162)	6
Balance at beginning of period at Mar. 31, 2022	1	73	55	(5)	(143)
Net income			33			33
Issuance of common stock		1
Stock-based employee compensation		6
Repurchase of common stock					(19)	(19)
Other comprehensive income (loss), net of tax				4
Balance at end of period at Jun. 30, 2022	$ 1	$ 80	$ 88	$ (1)	$ (162)	$ 6